Inflatable Fruit Suits Where In Central London Can I Buy Inflatable Objects (e.g Champagne Bottles, Bananas Etc)?

Where in Central London can I buy inflatable objects (e.g champagne bottles, bananas etc)? - inflatable fruit suits

I'm based in London W1 (Tottenham Court Road), and I need to find a shop selling the flying objects (it does not appear, please, Soho or Ann Summers!)
For a football game, and everything will be considered - fruit, champayne bottles, animals, etc.
Has anyone an idea?